Viewing archive of Tuesday, 11 September 2018
GFZ Potsdam official Kp-index
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Disturbance storm-time index
NOAA estimated Kp-index
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All times in UTC
Latest news
Monday, 11 November 2024
Coronal hole faces Earth
Friday, 1 November 2024
X2.0 solar flare
Wednesday, 9 October 2024
X1.8 solar flare, severe geomagnetic storm watch
Latest forum messages
Unspecified geomagnetic activity 1661Flare data issue for Sept. 6 2017 1sun goes blank 80SWL issue 18Filaments and prominences 479
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Space weather facts
| Last X-flare | 2024/11/06 | X2.39 |
| Last M-flare | 2024/11/15 | M1.0 |
| Last geomagnetic storm | 2024/11/10 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2024 | 166.4 +25 |
| November 2024 | 161 -5.4 |
| Last 30 days | 162.7 +14.4 |